From: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: "Michał Mirosław" <mirq-linux-CoA6ZxLDdyEEUmgCuDUIdw@public.gmane.org>
Cc: David Airlie <airlied-cv59FeDIM0c@public.gmane.org>,
Jonathan Hunter
<jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] drm: tegra: fix NULL deref in debugfs/iova
Date: Thu, 17 Aug 2017 17:34:29 +0200 [thread overview]
Message-ID: <20170817153429.GG30664@ulmo> (raw)
In-Reply-To: <7ca7b47df4aa1c164b7313172564923a2639dcc1.1502747460.git.mirq-linux-CoA6ZxLDdyEEUmgCuDUIdw@public.gmane.org>
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On Mon, Aug 14, 2017 at 11:53:45PM +0200, Michał Mirosław wrote:
> When IOMMU is off, ->mm_lock is not initialized and ->mm is NULL.
>
> Signed-off-by: Michał Mirosław <mirq-linux-CoA6ZxLDdyEEUmgCuDUIdw@public.gmane.org>
> ---
> drivers/gpu/drm/tegra/drm.c | 8 +++++---
> 1 file changed, 5 insertions(+), 3 deletions(-)
Applied, thanks!
Thierry
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prev parent reply other threads:[~2017-08-17 15:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-14 21:53 [PATCH] drm: tegra: fix NULL deref in debugfs/iova Michał Mirosław
[not found] ` <7ca7b47df4aa1c164b7313172564923a2639dcc1.1502747460.git.mirq-linux-CoA6ZxLDdyEEUmgCuDUIdw@public.gmane.org>
2017-08-17 15:34 ` Thierry Reding [this message]
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